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<title>Class template small_with_tolerance</title>
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<a name="boost.math.fpc.small_with_tolerance"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Class template small_with_tolerance</span></h2>
<p>boost::math::fpc::small_with_tolerance — Predicate for comparing floating point numbers against 0. </p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../header/boost/test/tools/floating_point_comparison_hpp.html" title="Header &lt;boost/test/tools/floating_point_comparison.hpp&gt;">boost/test/tools/floating_point_comparison.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FPT<span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="small_with_tolerance.html" title="Class template small_with_tolerance">small_with_tolerance</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="keyword">bool</span> <a name="boost.math.fpc.small_with_tolerance.result_type"></a><span class="identifier">result_type</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="small_with_tolerance.html#boost.math.fpc.small_with_toleranceconstruct-copy-destruct">construct/copy/destruct</a></span>
  <span class="keyword">explicit</span> <a class="link" href="small_with_tolerance.html#idm44970733880320-bb"><span class="identifier">small_with_tolerance</span></a><span class="special">(</span><span class="identifier">FPT</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="small_with_tolerance.html#idm44970733882848-bb">public member functions</a></span>
  <span class="keyword">bool</span> <a class="link" href="small_with_tolerance.html#idm44970733882288-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">FPT</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idm45283070507856"></a><h2>Description</h2>
<p>Serves the same purpose as <a class="link" href="close_at_tolerance.html" title="Class template close_at_tolerance">boost::math::fpc::close_at_tolerance</a>, but used when one of the operand is null. </p>
<div class="refsect2">
<a name="idm45283070506224"></a><h3>
<a name="boost.math.fpc.small_with_toleranceconstruct-copy-destruct"></a><code class="computeroutput">small_with_tolerance</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="idm44970733880320-bb"></a><span class="identifier">small_with_tolerance</span><span class="special">(</span><span class="identifier">FPT</span> tolerance<span class="special">)</span><span class="special">;</span></pre></li></ol></div>
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<div class="refsect2">
<a name="idm45283070498944"></a><h3>
<a name="idm44970733882848-bb"></a><code class="computeroutput">small_with_tolerance</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="idm44970733882288-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">FPT</span> fpv<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li></ol></div>
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